Home / 97,686,005.80-146,529,008.70-40,148,660.20

Finding the Fourth Proportional to 97,686,005.80, 146,529,008.70 and 40,148,660.20

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Solution

The fourth proportional to 97,686,005.80, 146,529,008.70 and 40,148,660.20 is: 60,222,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,686,005.80 : 146,529,008.70 = 40,148,660.20 : x
  2. Step 2: Convert to fraction form
    97,686,005.80/146,529,008.70 = 40,148,660.20/x
  3. Step 3: Cross multiply
    97,686,005.80x = 146,529,008.70 × 40,148,660.20
  4. Step 4: Simplify right side
    97,686,005.80x = 5,882,943,379,739,144
  5. Step 5: Solve for x
    x = 5,882,943,379,739,144/97,686,005.80
  6. Step 6: Final answer
    x = 60,222,990.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.